Influence of oxide molar ratios on kaolin geopolymers
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my.unimap-331822014-03-28T02:23:51Z Influence of oxide molar ratios on kaolin geopolymers Heah, Cheng Yong Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. Mohd Mustafa Al-Bakri, Abdullah Mohamed, Bnhussain, Prof. Dr. Luqman, Musa, Dr. Khairul Nizar, Ismail, Assoc. Prof. Dr. Che Mohd Ruzaidi, Ghazali, Prof. Madya Liew, Yun Ming chengyongheah@gmail.com vc@unimap.edu.my mustafa_albakri@unimap.edu.my bnhusain@kacst.edu.sa luqman@unimap.edu.my nizar@unimap.edu.my ruzaidi@unimap.edu.my yun86_liew@yahoo.com Geopolymers Kaolin Molar ratio Link to publisher's homepage at www.aspbs.com/ Oxide molar ratios are the main key parameter determining the performance of a kaolin geopolymers. The kaolin composition and various mixture proportions will lead to different oxide molar ratios in geopolymer system. In this experiment, NaOH solution prepared in 6-14 M was mixed with Na2SiO3/NaOH ratio ranged between 0.16-0.36 to prepare a alkali activator, 24 h prior to use. Kaolin powder and alkali activator were mixed at S/L ratio of 0.60-1.20, and stirred using mechanical mixer. Finally, the samples were cured at temperature of 80 °C for 24 h. From the important factors investigated in this study, various oxide molar ratios of each mixture proportions were calculated and the optimum molar ratios obtained were SiO2/Al2O3 = 3.28, SiO2/Na2O = 3.58, H2O/Na2O = 14.61 and Al2O3/Na2O = 1.09. Besides that, the conditions to synthesize kaolin geopolymers were 8 M alkali concentration with S/L ratio of 1.00 and Na2SiO3/NaOH ratio of 0.32 in order to produce kaolin geopolymers. 2014-03-28T02:23:51Z 2014-03-28T02:23:51Z 2013-12 Article Advanced Science Letters, vol. 19(12), 2013, pages 3588-3591 1936-6612 http://www.ingentaconnect.com/content/asp/asl/2013/00000019/00000012/art00034?token=005518698b46a4cf7e442f20672123763c4453234a5f2d317b687627504541676249266d656c13b80663e http://dspace.unimap.edu.my:80/dspace/handle/123456789/33182 en American Scientific Publishers |
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Geopolymers Kaolin Molar ratio Heah, Cheng Yong Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. Mohd Mustafa Al-Bakri, Abdullah Mohamed, Bnhussain, Prof. Dr. Luqman, Musa, Dr. Khairul Nizar, Ismail, Assoc. Prof. Dr. Che Mohd Ruzaidi, Ghazali, Prof. Madya Liew, Yun Ming Influence of oxide molar ratios on kaolin geopolymers |
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chengyongheah@gmail.com Heah, Cheng Yong Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. Mohd Mustafa Al-Bakri, Abdullah Mohamed, Bnhussain, Prof. Dr. Luqman, Musa, Dr. Khairul Nizar, Ismail, Assoc. Prof. Dr. Che Mohd Ruzaidi, Ghazali, Prof. Madya Liew, Yun Ming |
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Heah, Cheng Yong Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. Mohd Mustafa Al-Bakri, Abdullah Mohamed, Bnhussain, Prof. Dr. Luqman, Musa, Dr. Khairul Nizar, Ismail, Assoc. Prof. Dr. Che Mohd Ruzaidi, Ghazali, Prof. Madya Liew, Yun Ming |
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Heah, Cheng Yong |
title |
Influence of oxide molar ratios on kaolin geopolymers |
title_short |
Influence of oxide molar ratios on kaolin geopolymers |
title_full |
Influence of oxide molar ratios on kaolin geopolymers |
title_fullStr |
Influence of oxide molar ratios on kaolin geopolymers |
title_full_unstemmed |
Influence of oxide molar ratios on kaolin geopolymers |
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influence of oxide molar ratios on kaolin geopolymers |
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American Scientific Publishers |
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2014 |
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http://dspace.unimap.edu.my:80/dspace/handle/123456789/33182 |
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13.22586 |